{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease"], "input": "In the present study , leukocyte DNA from 143 patients with familial clustering of breast and / or ovarian cancer and tumour DNA from 96 breast carcinomas were screened for base mutations in the estrogen receptor gene ( ESR ) ."}
{"Disease": ["breast and / or ovarian cancer", "tumour", "breast carcinomas"]}